AM_Betpakdalite_1 Formula: K.602 O53.074 Ca2 Mo8 As2 Fe3 H53.776 Name: Betpakdalite Unit cell: 19.44 11.096 15.25 90.0 131.28 90.0 , V=2472.06 Space group: C12/M1 (12)

Schmetzer K , Nuber B , Tremmel G , Neues Jahrbuch fur Mineralogie, Monatshefte , 1984 (1984) p.393-403, Betpakdalite from Tsumeb, Namibia: mineralogy, crystal chemistry and structure, Locality: Tsumeb, Namibia